Life & fun · November 29, 2023
Two Minute Papers Clone
Does the same job
all alternatives →
- CECopyfish – Extract text from images, videos or PDF2017 · addons.mozilla.org · ▲292
- LALightWrite, A Free Online WriteRoom Clone2011 · gun.io · ▲47
- PTPaper to HTML Converter2021 · papertohtml.org · ▲153
- 5K5 Kb Spreadsheet for the Web with copy paste2020 · renanlecaro.github.io · ▲23

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Photosynthesis fires two of your iPhone
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Scroll through all 43,252,003,274,489,856,000 reachable Rubik's Cube permutations.
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Hi HN, I built Eigendrum, a web tool that solves the 2D wave equation for arbitrary shapes so you can hear what they sound like as drums. How it works: * Solves -∇²u = λu using finite element analysis (Kφ = λMφ) on a triangle mesh. * Validated to <0.1% error against closed-form solutions for circles (Bessel zeros) and rectangles. * Sound model factors in strike location, Rayleigh damping, and mallet width. * Includes Kac drums I & II to demonstrate identical sound spectra from different geometries. * No frameworks, build steps, or dependencies. Repo and tests:…
Life & fun · 26d ago · baselashraf81.github.io
Launched alongside, November 2023
the whole month →

Discover & book top creators to promote your product
Growth · 2023 · passionfroot.me



